Re: [Bitcoin-development] Why are we bleeding nodes?

2014-05-20 Thread bitcoingrant

Recently China has updated its firewall blocking bitcoin sites and pools. Whether this is simple blacklist or moresophisticatedpacket targeting is uncertain, however this update did spefically target VPN handshakes.





Sent:Monday, April 07, 2014 at 1:07 PM
From:Drak d...@zikula.org
To:Mike Hearn m...@plan99.net
Cc:Bitcoin Dev bitcoin-development@lists.sourceforge.net
Subject:Re: [Bitcoin-development] Why are we bleeding nodes?


For what its worth, the number of nodes rose dramatically during the China bullrun (I recall 45k in China alone) and dropped as dramatically as the price after the first PBOC announcement designed to cool down bitcoin trading in China.


On 7 April 2014 12:34, Mike Hearn m...@plan99.net wrote:


At the start of February we had 10,000 bitcoin nodes. Now we have 8,500 and still falling:


 http://getaddr.bitnodes.io/dashboard/chart/?days=60



I know all the reasons why people mightstop running a node (uses too much disk space, bandwidth, lost interest etc). But does anyone have any idea how we might get more insight into whats really going on? Itd be convenient if the subVer contained the operating system, as then we could tell if the bleed was mostly from desktops/laptops (Windows/Mac), which would be expected, or from virtual servers (Linux), which would be more concerning.



When you set up a Tor node, you can add your email address to the config file and the Tor project sends you emails from time to time about things you should know about. If we did the same, we could have a little exit survey: if your node disappears for long enough, we could email the operator and ask why they stopped.


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[Bitcoin-development] Modularizing Bitcoin

2013-05-16 Thread bitcoingrant
One of the primary upcoming priorities for bitcoin’s infrastructure, beyond the 
bloom filter, will be the continued modularization of the system.
Here at the Bitcoin Grant, we would like to jump start this development with a 
financial incentive and initiate an ongoing conversation on how we can work 
together towards developing a smarter, more efficient system of tomorrow, today.
Up for grabs: 500 bitcoins or $500,000; whichever is greater.
Taking on a project of this scope is a highly intensive, technical undertaking 
and we believe excellent developers should be compensated as such, especially 
when it comes to open source projects.
One of the main goals will be to separate the wallet from the node, as we have 
already done with mining. This way, the wallet, which will only hold private 
keys and create transactions, would pass transactions directly to a relay node, 
based on the bloom filter. Meanwhile, the block node will maintain the block 
chain and validate and relay new blocks.
Such developments would significantly strengthen the system. Modularization 
would make cancer attacks less likely and increase the node count, which, 
currently, is fairly low.
This is by no means is a feature request, merely ideas as to initiate a 
discussion. We welcome any feedback or suggestions. And of course, let us know 
if you would like to contribute to this project by submiting a grant proposal.
http://bitcoingrant.org http://bitcoingrant.org/lang=en
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Re: [Bitcoin-development] Modularizing Bitcoin

2013-05-16 Thread bitcoingrant
our estimates: ~8000
- Original Message -
From: Addy Yeow
Sent: 05/16/13 06:27 AM
To: bitcoingr...@gmx.com
Subject: Re: [Bitcoin-development] Modularizing Bitcoin

 Such developments would significantly strengthen the system. Modularization 
 would make cancer attacks less likely and increase the node count, which, 
 currently, is fairly low. Do we know for certain or at least a rough figure 
 of the node count in the network?
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efficiently configure, manage, and operate all of your security controls
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